import { Link, useNavigate } from 'react-router-dom'
import { Card, Breadcrumb, Form, Button, Radio, DatePicker, Select, Popconfirm } from 'antd'
import locale from 'antd/es/date-picker/locale/zh_CN'
import { Table, Tag, Space } from 'antd'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'

import img404 from '@/assets/error.png'
import { useChannel } from '@/hooks/useChannel'
import { useEffect, useState } from 'react'
import { getArticlesApi, deleteArticleApi } from '../../apis/article'

const { Option } = Select
const { RangePicker } = DatePicker


const Article = () => {

    const status = {
        1: <Tag color='warning'>待审核</Tag>,
        2: <Tag color="success">审核通过</Tag>
    }

    const columns = [
        {
            title: '封面',
            dataIndex: 'cover',
            width: 120,
            render: cover => {
                return <img src={cover.images[0] || img404} width={80} height={60} alt="" />
            }
        },
        {
            title: '标题',
            dataIndex: 'title',
            width: 220
        },
        {
            // 0-草稿；1-待审核；2-审核通过；3-审核失败
            title: '状态',
            dataIndex: 'status',
            render: data => status[data]
        },
        {
            title: '发布时间',
            dataIndex: 'pubdate'
        },
        {
            title: '阅读数',
            dataIndex: 'read_count'
        },
        {
            title: '评论数',
            dataIndex: 'comment_count'
        },
        {
            title: '点赞数',
            dataIndex: 'like_count'
        },
        {
            title: '操作',
            render: data => {
                return (
                    <Space size="middle">
                        <Button type="primary" shape="circle" icon={<EditOutlined />} onClick={() => navigate(`/publish?id=${data.id}`)} />
                        <Popconfirm
                            title="删除文章"
                            description="确定要删除文章吗?"
                            onConfirm={() => deleteArticle(data)}
                            okText="Yes"
                            cancelText="No"
                        >
                            <Button
                                type="primary"
                                danger
                                shape="circle"
                                icon={<DeleteOutlined />}
                            />
                        </Popconfirm>
                    </Space>
                )
            }
        }
    ]

    //所有hook完成后，再渲染组件；但当hook中有异步操作时，其返回的结果可能在render之后再做更新
    const { channels } = useChannel()

    const [articlesList, setArticlesList] = useState([])
    const [articlesCount, setArticlesCount] = useState(0)
    const [reqData, setReqData] = useState({
        page: 1,
        per_page: 5
    })
    const navigate = useNavigate()

    useEffect(() => {
        getArticlesApi(reqData)
            .then(res => {
                if (res) {
                    setArticlesCount(res.data.total_count)
                    setArticlesList(res.data.results)
                }
            })
    }, [reqData])

    const finish = (formValue) => {
        setReqData({
            ...reqData,
            status: formValue.status,
            channel_id: formValue.channel_id,
            begin_pubdate: formValue.date[0].format('YYYY-MM-DD'),
            end_pubdate: formValue.date[1].format('YYYY-MM-DD'),
        })
    }

    const changePageNumber = (value) => {
        setReqData({
            ...reqData,
            page: value
        })
    }

    const deleteArticle = async (value) => {
        await deleteArticleApi(value.id)
        setReqData({
            ...reqData
        })
    }

    return (
        <div>
            <Card
                title={
                    <Breadcrumb items={[
                        { title: <Link to={'/'}>首页</Link> },
                        { title: '文章列表' },
                    ]} />
                }
                style={{ marginBottom: 20 }}
            >
                <Form initialValues={{ status: '' }} onFinish={finish}>
                    <Form.Item label="状态" name="status">
                        <Radio.Group>
                            <Radio value={''}>全部</Radio>
                            <Radio value={0}>草稿</Radio>
                            <Radio value={2}>审核通过</Radio>
                        </Radio.Group>
                    </Form.Item>

                    <Form.Item label="频道" name="channel_id">
                        <Select
                            placeholder="请选择文章频道"
                            style={{ width: 120 }}
                        >
                            {channels && channels.map(item => (
                                <Option key={item.id}>{item.name}</Option>
                            ))}
                        </Select>
                    </Form.Item>

                    <Form.Item label="日期" name="date">
                        {/* 传入locale属性 控制中文显示*/}
                        <RangePicker locale={locale}></RangePicker>
                    </Form.Item>

                    <Form.Item>
                        <Button type="primary" htmlType="submit" style={{ marginLeft: 40 }}>
                            筛选
                        </Button>
                    </Form.Item>
                </Form>
            </Card>
            <Card title={`根据筛选条件共查询到 ${articlesCount} 条结果：`}>
                <Table rowKey="id" columns={columns} dataSource={articlesList} pagination={{
                    total: articlesCount,
                    pageSize: reqData.per_page,
                    onChange: changePageNumber
                }}>
                </ Table>
            </Card>

        </div>
    )
}

export default Article